CATDOLL : CATDOLL: Why is the sword water flea not a single-celled organism?
|
In the egg yolk. This is the yolk cytoplasm, which is the main component of the embryonic development when nutrients. Mung beans in the white yolk as large dots, called ovules, which are located in the egg. Under the right conditions from here the fertilized egg begins to develop into an embryo. The yolk membrane is a membrane protein, the egg and the eggshell are formed by the secretion of the oviduct. There is nutrition and protection. If the egg is not fertilized, the egg is a cell; but if the egg is fertilized, the situation is completely different. When the fertilized egg leaves the mother, it has already developed in the oviduct cleavage, blastocyst, gastrula, etc., then this is not a cell of the egg. |
>>: CATDOLL: How to catch fish and shrimp
Recommend
CATDOLL: Professional analysis: Why do sows not like to eat feed?
Why are sows not interested in feed? For farmers,...
CATDOLL: How to make the small-leaf goldfish flower produce seeds?
1. How to make the small-leaf goldfish flower pro...
CATDOLL: What are the translucent jelly-like substance and white spiral-like substance in the head of silver carp?
1. What are the translucent jelly-like substance ...
CATDOLL: What is the most valuable ornamental fish species?
1. What is the most valuable ornamental fish spec...
CATDOLL: Is it better to raise snails with soil or sand? (Is it better to raise snails with soil or sand?)
1. I want to know what conditions are needed for ...
CATDOLL: How to deal with red worms when they arrive home (How to deal with red worms when they arrive home)
1. How to store the remaining red worms after buy...
CATDOLL: Analysis of dead pig disposal methods in pig farms: correct disposal methods and precautions
Dead pig disposal: the right way to deal with it ...
CATDOLL: Common diseases in chicken farming and how to deal with them
Common diseases in chicken farming and their trea...
CATDOLL: How to sell farmed grasshoppers (How to sell farmed grasshoppers)
1. How are grasshoppers sold? The market prospect...
CATDOLL: What materials do you need to prepare to raise snails?
1. How to raise snails at home? Snail farming req...
What is the reason why cats urinate randomly?
Why does my cat suddenly pee everywhere? How to s...
CATDOLL: How to keep red worms alive at home (How to keep red worms alive at home)
1. How to raise red worms at home? 1. Place the b...
CATDOLL: Spider breeding flow (spider breeding technology)
1. How to breed southern spiders? 1. To raise hun...
CATDOLL: What kind of mulberry tree is used to raise silkworms? (What kind of mulberry tree is used to raise silkworms?)
1. Which variety of mulberry tree is best for rai...
CATDOLL: How to customize the Xinshangcn pig-selling network platform?
Introduction letter business cn pig selling netwo...